28752016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{349}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 59024000

約数和(自身を除く): 30271984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 271, 304, 349, 542, 698, 1084, 1396, 2168, 2792, 4336, 5149, 5584, 6631, 10298, 13262, 20596, 26524, 41192, 53048, 82384, 94579, 106096, 189158, 378316, 756632, 1513264, 1797001, 3594002, 7188004, 14376008, 28752016]

約数ペア:

[(1, 28752016), (2, 14376008), (4, 7188004), (8, 3594002), (16, 1797001), (19, 1513264), (38, 756632), (76, 378316), (152, 189158), (271, 106096), (304, 94579), (349, 82384), (542, 53048), (698, 41192), (1084, 26524), (1396, 20596), (2168, 13262), (2792, 10298), (4336, 6631), (5149, 5584)]